- Table 2 to Subpart OOO of Part 63—Known Organic Hazardous Air Pollutants (HAP) From the Manufacture of Amino/Phenolic Resins

Organic HAP CAS Number Organic HAP subject to cooling tower monitoring requirements in § 63.1409 (Yes/No) Column A Column B Acrylamide79-06-1NoNo Aniline62-53-3YesNo Biphenyl92-52-4YesYes Cresol and cresylic acid (mixed)1319-77-3YesNo Cresol and cresylic acid (m-)108-39-4YesNo Cresol and cresylic acid (o-)95-48-7YesNo Cresol and cresylic acid (p-)106-44-5YesNo Diethanolamine111-42-2NoNo Dimethylformamide68-12-2NoNo Ethylbenzene100-41-4YesYes Ethylene glycol107-21-1NoNo Formaldehyde50-00-0YesNo Glycol ethers0NoNo Methanol67-56-1YesYes Methyl ethyl ketone78-93-3YesYes Methyl isobutyl ketone108-10-1YesYes Naphthalene91-20-3YesYes Phenol108-95-2YesNo Styrene100-42-5YesYes Toluene108-88-3NoYes Xylenes (NOS)1330-20-7YesYes Xylene (m-)108-38-3YesYes Xylene (o-)95-47-6YesYes Xylene (p-)106-42-3YesYes

CAS No. = Chemical Abstract Registry Number.